The transport service address by which the logical entity
receives network management traffic, formatted according to
the corresponding value of hpEntLogicalTDomain.
For snmpUDPDomain, a TAddress is 6 octets long, the initial
4 octets containing the IP-address in network-byte order and
the last 2 containing the UDP port in network-byte order.
Consult 'Transport Mappings for Version 2 of the Simple
Network Management Protocol' (RFC 1906 [8]) for further
information on snmpUDPDomain.